#B42217#B42217

#B42217 is a mid, vivid red. Relative luminance 0.109; OKLCH L 50.0% C 0.183 H 29.5°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#B42217
RGB	rgb(180, 34, 23)
HSL	hsl(4, 77%, 40%)
HSV	hsv(4, 87%, 71%)
CMYK	cmyk(0%, 81.1%, 87.2%, 29.4%)
CIE-LAB	lab(39.43, 56.22, 43.81)
CIE-LCH	lch(39.43, 71.28, 37.93°)
OKLab	oklab(49.95% 0.1591 0.0901)
OKLCH	oklch(49.95% 0.183 29.5)
XYZ	xyz(19.5516, 10.9124, 1.8873)
Luminance	0.1091 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42217 #17A9B4

analogous

#B4175A #B42217 #B47117

triadic

#B42217 #17B422 #2217B4

tetradic

#B42217 #5AB417 #17A9B4 #7117B4

square

#B42217 #5AB417 #17A9B4 #7117B4

split-complementary

#B42217 #17B471 #175AB4

monochromatic

#470D09 #7E1810 #B42217 #E33225 #EA655B

Accessibility & contrast

On white

6.60

#B42217 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#B42217 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42217

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42217	#FFFFFF	#000000	##FFFFFF
##B42217	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524813

Deuteranopia (green-blind)

#75680C

Tritanopia (blue-blind)

#C70022

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b42217;
/* rgb */ color: rgb(180, 34, 23);
/* oklch */ color: oklch(50.0% 0.183 29.5);

Tailwind

colors: {
  custom: {
    50: '#d56c57',
    500: '#b42217',
    950: '#000000',
  },
}

SCSS

$custom: #b42217;
$custom-light: #d56c57;
$custom-dark: #000000;

JSON

{
  "hex": "#b42217",
  "rgb": {
    "r": 180,
    "g": 34,
    "b": 23
  },
  "hsl": {
    "h": 4.204,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49953,
    "c": 0.18282,
    "h": 29.5
  },
  "luminance": 0.10909
}

Semantic roles & 50–950 ramp

primary

#B42217

secondary

#59C5CE

accent

#E6F434

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160803

muted

#847A78

Preview Lab

Preview with #B42217

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →